--- tree0/drivers/ata/libata-sff.c.orig	2006-12-27 22:26:03.000000000 +0900
+++ tree0/drivers/ata/libata-sff.c	2006-12-27 22:26:15.000000000 +0900
@@ -662,6 +662,7 @@
  */
 void ata_bmdma_freeze(struct ata_port *ap)
 {
+#if 0
 	struct ata_ioports *ioaddr = &ap->ioaddr;
 
 	ap->ctl |= ATA_NIEN;
@@ -671,6 +672,7 @@
 		writeb(ap->ctl, (void __iomem *)ioaddr->ctl_addr);
 	else
 		outb(ap->ctl, ioaddr->ctl_addr);
+#endif
 }
 
 /**